public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
int pos = int.Parse(property.propertyPath.Split('[', ']')[1]);
// Using BeginProperty / EndProperty on the parent property means that
// prefab override logic works on the entire property.
EditorGUI.BeginProperty(position, label, property);
// Draw label and calculate new position
position = EditorGUI.PrefixLabel(position,
GUIUtility.GetControlID(FocusType.Passive),
new GUIContent(((ControlPointAttribute)attribute).names[pos]));
// Don't make child fields be indented
int indent = EditorGUI.indentLevel;
EditorGUI.indentLevel = 0;
// Calculate positions and dimensions for the GUI elements
// - min-field ... X-pos: 0%, width: 40% \
// - mirror-checkbox ... X-pos: 40%, width: 20% |> 100% of available width
// - max-field ... X-pos: 60%, width: 40% /
float p1 = position.x;
float w1 = position.width * 0.25f;
Rect timeRect = new Rect(p1,
position.y,
w1,
position.height);
float p2 = p1 + w1;
float w2 = 70;
Rect timeValueRect = new Rect(p2,
position.y,
w2,
position.height);
float p3 = p2 + w2;
float w3 = position.width * 0.25f;
Rect valueRect = new Rect(p3,
position.y,
w3,
position.height);
// Get properties by exactly passing the names of the interval's attributes
SerializedProperty timeProp = property.FindPropertyRelative("time");
SerializedProperty valueProp = property.FindPropertyRelative("value");
SerializedProperty indexProp = property.FindPropertyRelative("index");
SerializedProperty firstProp = property.FindPropertyRelative("first");
SerializedProperty lastProp = property.FindPropertyRelative("last");
ControlPoints cpTarget = (ControlPoints)property.serializedObject.targetObject;
bool first = pos == 0;
bool last = pos == cpTarget.controlPoints.Length - 1;
timeProp.floatValue = timeProp.floatValue > 1f ? 1f : timeProp.floatValue < 0f ? 0f : timeProp.floatValue;
timeProp.floatValue = first ? 0f : last ? 1f : timeProp.floatValue;
valueProp.floatValue = valueProp.floatValue > 1f ? 1f : valueProp.floatValue < 0f ? 0f : valueProp.floatValue;
// Draw minimum-field - pass GUIContent.none to not draw the
// label of the property
EditorGUI.PropertyField(timeRect, timeProp, GUIContent.none);
EditorGUI.PrefixLabel(timeValueRect, timeValueLabel);
// Draw maximum-field
EditorGUI.PropertyField(valueRect, valueProp, GUIContent.none);
// Set indent back to what it was
EditorGUI.indentLevel = indent;
EditorGUI.EndProperty();
int cpLength = cpTarget.controlPoints.Length;
if (first)
{
cpTarget.Update();
times = new float[cpLength];
values = new float[cpLength];
cpTarget.curve = new AnimationCurve();
}
if (pos < times.Length)
{
times[pos] = timeProp.floatValue;
values[pos] = valueProp.floatValue;
}
if (last)
{
for (int l = 0; l < cpLength; l++)
{
if (l < cpLength - 1)
{
cpTarget.curve.AddKey(times[l], values[l]);
}
else
{
cpTarget.curve.AddKey(times[cpLength - 1], values[cpLength - 1]);
}
}
cpTarget.list = cpTarget.CurveToString(cpTarget.curve);
cpTarget.Sample();
}
}